zeroshade commented on issue #40737:
URL: https://github.com/apache/arrow/issues/40737#issuecomment-2015245062

   Personally, I would use https://github.com/wolfeidau/s3iofs to open the file 
which will internally leverage the s3 API to fetch the byte ranges and just 
pass it to `file.NewParquetReader` like you suggested. 
   
   I would only go down to creating your own page readers if you find the above 
isn't performant enough. It's unlikely that going down to that level would 
provide much in the way of performance gains. 


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